100% Fleece to Sherpa Ultra Soft with Dual Control - Get cozy with Serta heated sherpa blanket. Queen and larger sizes come with dual zone temperature capability and 2 controllers to adjust each bed side independently for everyone's personal comfort Safe & Warm - Quick to heat up with evenly spaced heating wires creating even heat distribution for your comfort. Serta electric blanket is ETL certified and independently tested to provide highest safety 1 Heated Blanket - 90"W x 100"L Twin & Full Size comes with one controller, while larger sizes come with 2 controllers Easy Care - Conveniently machine washable and carry 5 year warranty. DO NOT LEAVE CONTROLLER COVERED WHEN IN USE TO AVOID OVERHEATING